Compound topographic index (relative wetness) 0.884846 Nitrogen content of soil 1.06089 Integer number of consecutive months where Tavg >= 5 deg C (Length of potential growing season) 1.10507 Precipitation during the driest quarter 1.21375 Precipitation during the wettest quarter 1.30304 Temperature during the hottest quarter 1.31798 Carbon content of soil 1.43896 Ratio of precipitation to potential evapotranspiration 1.44308 Solar interception 1.46052 Precipitation during the coldest quarter 1.68041 Elevation 1.70508 Day/night diurnal temperature difference 1.83211 Precipitation during the hottest quarter 1.86826 Available water holding capacity of soil 2.23787 Bulk density of soil 2.41722 Sum of monthly Tavg where Tavg >=5 deg C 2.5285 Temperature during the coldest quarter 5.07228